LM2841XQMKX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2841XQMKX/NOPB is a SIMPLE SWITCHER step-down DC/DC converter from Texas Instruments, designed for high-efficiency power management in compact spaces. It operates with an input voltage range of 4.5V to 42V and delivers a maximum output current of 300mA. The device features a fixed switching frequency of 1.25MHz, enabling the use of small external components. It supports adjustable output voltages ranging from 0.765V to 34V. Packaged in a thin TSOT-23 (SOT-23-THIN) 6-pin surface-mount package, it ensures reliable operation across an extended temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated buck topology simplifies design by combining controller, switch, and bootstrap diode into a single solution.
• High switching frequency allows for minimal passive component footprint while maintaining stable regulation.
• Robust protection mechanisms include thermal shutdown and cycle-by-cycle current limiting for enhanced reliability.

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial control systems requiring isolated or non-isolated power rails
• Automotive electronics compliant with AEC-Q100 standards
• Portable equipment needing efficient battery-powered voltage conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific suffix 'XQ' denotes automotive qualification and tape-and-reel packaging configuration. Confirm that the 'NOPB' indicator ensures lead-free and RoHS compliance as per manufacturer specifications. Cross-reference the full part number against official Texas Instruments documentation to ensure compatibility with intended operating conditions and regulatory requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 42V is required alongside a compact form factor. The 300mA output capability suits low-to-medium power applications where space constraints limit larger packages. Consider the 1.25MHz frequency for balancing efficiency and EMI performance. Ensure the load current does not exceed the rated limit to maintain thermal stability within the specified operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2841 family of SIMPLE SWITCHER regulators, which are known for their ease of use and high efficiency. The XQ variant specifically targets automotive and industrial markets, offering enhanced durability and qualification standards compared to standard commercial versions. It complements other TI power management solutions by providing a robust, small-footstep buck regulator option for diverse system architectures.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM2841YMK-ADJL/NOPB serves as a direct functional substitute within the same series, sharing identical electrical characteristics and pinout configurations. Both devices utilize the TSOT-23-6 package and support similar input/output ranges. Verify that any replacement maintains the required automotive qualification level if applicable to the specific application environment.